Luis de Olona 1823–1863 Source: Wikimedia Commons About Luis de Olona writer and librettist People from the Same Era John Campbell 1815–1890 Judge Pennsylvania Lewis Slusser 1820–1892 physician, politician J. Craik 1815–1890 Rev. Pennsylvania François Folie 1833–1905 astronomer Venlo John Davidson 1825–1881 military officer Fairfax County Alexandru Bătrâneanu 1820–1848 jurist, politician, revolutionary Balda